coli. Sequence alignments indicated that PNAE has a 43% identity to a hydroxynitrile lyase from Hevea brasiliensis, which is a member of the alpha/beta hydrolase superfamily. The catalytic triad, which is typical for this family, is conserved. By site-directed mutagenesis, the members of the ...
Investigations of the protective mechanism of sulfite against beer staling and formation of adducts with trans-2-nonenal. Development of stale cardboard flavor in beer is believed to be associated with liberation or formation of the unsaturated aldehyde trans-2-nonenal, known ... N Marianne,O Hen...